Speed Converter
Convert km/h, mph, m/s, knots and Mach.
Free
Runs in your browser
All conversions
| Unit | Value |
|---|
Common conversions
| 60 mph | 96.5606 km/h |
| 100 km/h | 62.1371 mph |
| 1 m/s | 3.6 km/h |
| 1 kn | 1.852 km/h |
| 1 kn | 1.1508 mph |
| 1 mph | 0.44704 m/s |
| 1 Mach | 1,225.044 km/h |
| 50 km/h | 31.0686 mph |
About this tool
Speed Converter changes a speed between road, science, sea and air units. Use it for speed limits abroad, running pace or wind speeds.
How to use Speed Converter
- Type a speed.
- Choose the units.
- Read the result or the full table.
Questions people ask
How do I convert km/h to mph?
Divide by 1.609344. So 100 km/h ≈ 62.14 mph.
How do I convert m/s to km/h?
Multiply by 3.6. So 10 m/s = 36 km/h.
What is a knot?
One nautical mile per hour, exactly 1.852 km/h or about 1.151 mph.
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